a square potential barrier

Q: What is the value of the expression 1/2 (3x - 5) +5 when x= -3? A. 2 OB. 4.5 O C. -2 D. 7

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Q: In a Measurement ,the Expected value is 48 V and the measured value is 43 V. Find (i) Absolute error…

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Q: the answer is 5 sigfigs. what is the correct answer in 3 sig figs?

A: Given  θr = 26.016 °

Q: All the asnwers were wrong, they have to be in meters no milimeters

A: a) The electric potential due to a point charge is given by V = kq/r, where k is Coulomb's constant,…

Q: The higher the absolute error, the better the accuracy of the measurement  true or false

A: Absolute error is defined as the deviation of a measurement from its true value: ∆r = ri - r where,…

Q: The radius of a circle is measured to be 5.11 cm. From experience, the engineers judges that this…

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Q: In a Measurement ,the Expected value is 56 V and the measured value is 52 V. Find (i) Absolute error…

A: Given  Expected value. Is 56 Measured value is 52.

Q: A water pipe having a 2.45 cm inside diameter carries water into the basement of a house at a speed…

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Q: A reference mass of 50.00 Kg is weighted using a digital balance with 1% accuracy. The measurement…

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Q: 1- Which of the following does not apply to systematic error? hna 90 30 37 d) 60 e) O 45

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Q: The equation of a transverse wave on a string is y = (4.9 mm) sin[(17 m²1)x+ (650 s 4)t] The tension…

A: The equation of a transverse wave on a string is : y = (4.9 mm) Sin[ (17 m-1)x + (650s-1)t]Tension…

Q: Volume D.000l m P=66484 प्लरार त O.0000l Relahie Deneily= Den sily Sample Kilm 3 Knokin Densty of…

A: The difference in the experimental value from the standard value is expressed in terms of percentage…

Q: how to determine experiment density with of a zinc rod with only the mass, length and diameter, when…

A: Given: Mass of zinc rod, m = 69.5 grams length of rod, L = 34.3 cm Diameter of rod, D=19 cm To…

Q: marathon runner completes a 42.188-km course in 2 h, 39 min, and 25 s. There is an uncertainty of 24…

A: Distance covered x = 42188 m                      Time t = 2 hr 39 min 25 s…

Q: The experimental density of a liquid is 0.7995 g/mL, the accepted value is 0.8115 g/mL.  Find the %…

A: The expression for the percentage of absolute error is, Absolute…

Q: prove that 1000Lb/inch =100kN/m

A: Consider the L.H.S of the given expression and convert from Lb/inch to kN/m.

Q: Whdich one measuring device is percise but not accurate, random or systemtic

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Q: An instrument is used to determine the concentration of a chemical in water. The instrument signal…

A: Given : Relation between instrument signal "Z" and concentration of the chemical "C" Z = kC + P Z =…

Q: 1.26 An American golf ball has a mass of 1.62±0.01 oz and a nom- inal diameter of 1.68 in. Determine…

A: We are given mass of ball and uncertainty in it. We are given diameter also. We are also given…

Q: The mass of an aluminum cube was measured to be (A)=71.2 g. Using the Vernier caliper, the length of…

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Q: Hi! Please, someone, check this solution if it is correct! Rate will be given!

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Q: A line was measured by EDM found 4032.32 m, what is the probable error in this distance if the EDM…

A: measured value = 4032.32 m Precision = ±(2 mm +3ppm)  To find = Probable error .

Q: If k = 0.207, how long will it take a battery to reach a 60% charge? Assume that the battery was…

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Q: Suppose the mass of ice, 13 g, is measured with a scale that measures to 0.1 g. Calculate the…

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Q: A 3D scan is taken with a terrestrial laser scanner. The precision of the range measurement is…

A: Given:  Measurement = ±2 mm + 5 ppm Distance scanned = 457.251 m = 0.457251 km

Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 15 times the…

A: Let L be the length of the rod It is given that the speed of the sound wave in the rod is equal to…

Q: Apply the relative error formula and determine it in a calculation of the cross-sectional area of a…

A: Given ,  Diameter , D = 0.085 ± 0.002cm We know that cross-sectional area , A = πD22 =πD24 Using…

Q: Which of the following is a correctly reported confidence interval? (3.782 +/- 0.02) s O (4 +/- 0.1)…

A: We can see in option 1: The uncertainty is in hundredth part (because0.02) therefore writing number…

Q: In a Measurement ,the Expected value is 72 V and the measured value is 63 V. Find (i) Absolute error…

A: (i) The absolute error is given by :  (ii) The relative error is given by :

Q: May I ask for the steps so that I could get the result, N(f)df = 4πa^3f^2 / c^3 df?

A: Given that 4πρ28dρ=Nfdf Where ρ=2fac and f is the variable   We have to proof Nfdf=4πa3f2c3df

Q: What branches of Physics are used in the development of Artificial Intelligence?

A: Artificial intelligence is the branch of computer science that deals with the development of…

Q: A T. G. has 50 tuns each of radius factor if 6.28 cm. cm. What is its reduction BH = 3.6 × 10-5…

A: We need to compute-Reduction factor (K)=?The data given as-Number of turns (n)=50BH=3.6×10-5…

Q: Is the formula dimensionally correct E=1/2 mv

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